Model No.: T603

Functions:

1. Clock Adjustment

- Enter: While on, press and hold the Fan Speed button for 5 seconds.

- Adjust: Blue text indicates the active setting. Press Fan Speed to cycle through minutes, hours, and day-of-week. Use Up/Down buttons to change values.

- Save & Exit: Press the Power button.

2. Timer Function

-Enter: While on, press and hold the Mode button for 5 seconds.

Adjust: Blue text indicates the active setting. Press Fan Speed to cycle through timer minutes, hours, and status. Press Mode to switch between timer-on and timer-off settings. Use Up/Down buttons to change values.

- Save & Exit: Press the Power button.

3. Child Lock

-Toggle: While on, press and hold both Up and Down buttons for 5 seconds to enable/disable. When enabled, all buttons except Power are locked.

4. Factory Reset

- Action: While on, press and hold the Power and Down buttons together for 5 seconds.

5. Fault Alarm

-Trigger: Sensor short-circuit or temperature outside -30 ℃ to 80 ℃ range.

-Display: Shows "E1" on the screen and disconnects all loads. Returns to normal after the fault is cleared.

6. Frost Protection

- Condition: Activated when the unit is off.

- Action: Output turns on if room temperature ≤5 ℃ and turns off once it reaches ≥7 ℃, repeating this cycle.

7. Temperature Control Logic

- Cooling / AC + Floor Cooling: Output turns ON when room temp > (set temp + start differential). Turns OFF when room temp ≤ (set temp - 1℃).

- Heating / AC + Floor Heating / Hydronic Heating: Output turns ON when room temp < (set temp - start differential). Turns OFF when room temp ≥ (set temp + 1℃).

- Note: Fresh air and refrigerant-based AC systems are not temperature-controlled.

8. Advanced Mode

- Enter: While off, press and hold the Mode and Fan Speed buttons together for 5 seconds.

- Navigate: Use Up/Down to select a category → Press Mode to enter → Adjust parameters with Up/Down → Press Mode again to return to the category list.

- Save & Exit: From the category list, press the Power button. (Note: You must return to the category list to exit.)